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-rw-r--r--src/VBox/Runtime/common/string/RTStrCmp.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/string/RTStrCmp.cpp b/src/VBox/Runtime/common/string/RTStrCmp.cpp
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+++ b/src/VBox/Runtime/common/string/RTStrCmp.cpp
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+/* $Id: RTStrCmp.cpp $ */
+/** @file
+ * IPRT - RTStrCmp.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+
+/*********************************************************************************************************************************
+* Header Files *
+*********************************************************************************************************************************/
+#include <iprt/string.h>
+#include "internal/iprt.h"
+
+
+/**
+ * Performs a case sensitive string compare between two UTF-8 strings.
+ *
+ * Encoding errors are ignored by the current implementation. So, the only
+ * difference between this and the CRT strcmp function is the handling of
+ * NULL arguments.
+ *
+ * @returns < 0 if the first string less than the second string.
+ * @returns 0 if the first string identical to the second string.
+ * @returns > 0 if the first string greater than the second string.
+ * @param psz1 First UTF-8 string. Null is allowed.
+ * @param psz2 Second UTF-8 string. Null is allowed.
+ */
+RTDECL(int) RTStrCmp(const char *psz1, const char *psz2)
+{
+ if (psz1 == psz2)
+ return 0;
+ if (!psz1)
+ return -1;
+ if (!psz2)
+ return 1;
+
+ return strcmp(psz1, psz2);
+}
+RT_EXPORT_SYMBOL(RTStrCmp);
+